User manual
HD400 – V2.0 – 5/08
7
Specifications
Range Specifications
Units Range Resolution Accuracy
400.0 0.1
4000 1
± (5% rdg + 10 digits)
40.00k 0.01k
Lux
400.0k 0.1k
± (10% rdg + 10 digits)
40.00 0.01
400.0 0.1
± (5% rdg + 10 digits)
4000 1
Foot candles
40.00k 0.01k
± (10% rdg + 10 digits)
Notes:
1. Sensor Calibrated to standard incandescent lamp (color temperature: 2856K)
2. 1Fc = 10.76 Lux
General Specifications
Display 4000 count LCD display with 40 segment bargraph
Ranging Four ranges, manual selection
Over range indication LCD displays ‘OL’
Spectral response CIE photopic
Spectral accuracy Vλ function (f’
1
≤6%)
Cosine response f’
2
≤2%; Cosine corrected for angular incidence of light
Measurement Repeatability ±3%
Display rate Approximately 750 msec for digital and bargraph displays
Photo detector Silicon photo-diode with spectral response filter
Peak capture 10µS minimum
Operating conditions Temperature: 32 to 104
o
F (0 to 40
o
C); Humidity: < 80%RH
Storage conditions Temperature: 14 to 140
o
F (-10 to 50
o
C); Humidity: < 80%RH
Meter Dimensions 6.7 x 3.1 x 1.6" (170 x 80 x 40mm)
Detector Dimensions 4.5 x 2.4 x 0.8” (115 x 60 x 20mm)
Weight Approx. 13.7 oz. (390g) with battery
Sensor lead length 3.2’ (1m)
Low battery indication Battery symbol appears on the LCD
Power supply 9V battery